Car for a roller coaster



FIG. 1 is a front view of a car for a roller coaster showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front view thereof in an alternate position 

The ornamental design for a car for a roller coaster, as shown and described. 